Question

which one is the quadratic equation
a]x²+4x=11+x². b]x²=4x.
c]5x²=90. d]y²=2y-7.​

Answer 1

Answer:

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a]x²+4x=11+x²

Answer 2

Answer:

a) and b) are not quadratic equation therefore,

Step-by-step explanation:

c) is correct answer